Hi Martin,
The filter is just a pass through to application code - it only gets to work if
there is runtime exception coming back from processing request.
ErrorHandlerFilter is mapped to REQUEST, FORWARD, INCLUDE
It has
Try{
filterChain.doFilter(request, response);
} catch (throwable th){
/// ..process th. (setting some attributes in requests for presentation in
errorPage.jsp
request.getRequestDispatcher("errorPage.jsp").forward(
request,
response);
}
Example execution path where the issue happens is the following
Browser-> servletX->forward to result.sp; on result.jsp there is <jsp:include
"someServlet"/> and "someServlet" throws runtime.
I hope it makes sense :)
Thanks
-----Original Message-----
From: Martin Gainty [mailto:mgai...@hotmail.com]
Sent: Saturday, July 25, 2009 6:46 PM
To: Tomcat Users List
Subject: RE: JSPwriterImpl generates IO exception while processing
<jsp:include> that gets forwarded.
dont understand why you want to forward before jsp:include has been processed?
could you explain a bit about webapp architecture or workflow you wish to
implement?
Martin Gainty
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> From: leonard.gest...@markettools.com
> To: users@tomcat.apache.org
> Date: Sat, 25 Jul 2009 15:08:51 -0700
> Subject: JSPwriterImpl generates IO exception while processing <jsp:include>
> that gets forwarded.
>
> Hello,
> This is my second attempt to get anyone's opinion if what's happening is a
> defect or it can be prevented somehow. I hope it generates more replies.
>
> In my webapp application I have servlet filter that handles error handling
> for runtime exceptions; when such exception happens, it forwards request to
> error page where user-frienldy error is presented.
> It works fine for most of the cases, however, if runtime exception happens
> during processing of <jsp:include/> directive, I am getting various
> exceptions in the log (depending on the location of <jsp:include/> with
> respect to other tags.)
> These exceptions do not appear to cause any harm, however I was curious why
> are they happening in the first place. Is it illegal to forward request while
> processing "include"? This is 6.x version of tomcat.
>
> Exception might look like this:
>
> java.io.IOException: Stream closed
> org.apache.jasper.runtime.JspWriterImpl.ensureOpen(JspWriterImpl.java:204)
>
> Or like this:
>
> Caused by: java.io.IOException: Stream closed
> at
> org.apache.jasper.runtime.JspWriterImpl.ensureOpen(JspWriterImpl.java:204)
> at
> org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:115)
> at
> org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:188)
> ... 45 more
>
> Caused by: java.io.IOException: Stream closed
> at
> org.apache.jasper.runtime.BodyContentImpl.ensureOpen(BodyContentImpl.java:582)
> at
> org.apache.jasper.runtime.BodyContentImpl.write(BodyContentImpl.java:142)
> at
> org.apache.jasper.runtime.BodyContentImpl.write(BodyContentImpl.java:159)
> at
> org.apache.jsp.WEB_002dINF.jsp.projects_002dtab_002dcontainer_jsp._jspx_meth_stripes_005flayout_002dcomponent_005f1(projects_002dtab_002dcontainer_jsp.java:484)
> at
> org.apache.jsp.WEB_002dINF.jsp.projects_002dtab_002dcontainer_jsp._jspx_meth_stripes_005flayout_002drender_005f0(projects_002dtab_002dcontainer_jsp.java:138)
> at org.apache
>
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